Home / 1,371,862.72-1,893,183.84-760,028.50

Finding the Fourth Proportional to 1,371,862.72, 1,893,183.84 and 760,028.50

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Solution

The fourth proportional to 1,371,862.72, 1,893,183.84 and 760,028.50 is: 1,048,846.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,862.72 : 1,893,183.84 = 760,028.50 : x
  2. Step 2: Convert to fraction form
    1,371,862.72/1,893,183.84 = 760,028.50/x
  3. Step 3: Cross multiply
    1,371,862.72x = 1,893,183.84 × 760,028.50
  4. Step 4: Simplify right side
    1,371,862.72x = 1,438,873,674,139.44
  5. Step 5: Solve for x
    x = 1,438,873,674,139.44/1,371,862.72
  6. Step 6: Final answer
    x = 1,048,846.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.